Localized lymphoid tissues and plasma cells in paraocular and paranasal organ systems in chickens.
D000375:Aging; D000818:Animals; D001717:Birds; D002642:Chick Embryo; D002645:Chickens / Q000033:anatomy & histology*; D005856:Germ-Free Life; D007765:Lacrimal Apparatus / Q000166:cytology*; D008221:Lymphoid Tissue / Q000166:cytology*; D009541:Nictitating Membrane / Q000166:cytology; D009666:Nose / Q000166:cytology; D010950:Plasma Cells / Q000166:cytology*